v2.7.2

Commits:
- Make react-intl react 16 compatible (formatjs#1201)  1c5afd2

release v2.7.1

v2.7.0 release

release v2.6.0 (formatjs#1178)

bump version to 2.5.0 (formatjs#1175)

Bump version to v2.3.0

2.2.3

2.2.2

Merge pull request formatjs#792 from ericf/2.2.1

2.2.1